Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
BlackRock Institutional Trust Company, N.A. 4,145,378 8.96 -198,288 9/30/18
The Vanguard Group, Inc. 3,784,014 8.17 57,893 9/30/18
Hammer (Neil Robert) 2,628,922 5.68 167,691 12/3/18
Elliott Management Corporation 2,100,000 4.54 -- 1/18/19
Fidelity Institutional Asset Management 1,731,576 3.74 -20,246 9/30/18
Renaissance Technologies LLC 1,621,500 3.50 21,700 9/30/18
Cramer Rosenthal McGlynn, LLC 1,353,704 2.92 -155,048 9/30/18
State Street Global Advisors (US) 1,293,032 2.79 -26,414 9/30/18
Mackenzie Financial Corporation 1,196,479 2.58 -29,293 9/30/18
Invesco Advisers, Inc. 1,190,498 2.57 -6,864 9/30/18

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Total Stock Market Index Fund 1,113,345 2.41 83,001 12/31/18
iShares Core S&P Mid-Cap ETF 1,091,328 2.36 29,959 11/30/18
Vanguard Small-Cap Index Fund 1,072,298 2.32 21,356 12/31/18
Mackenzie US Mid Cap Growth Class 940,660 2.03 -19,083 9/30/18
iShares Russell 2000 ETF 892,363 1.93 30,557 12/31/18
ETFMG Prime Cyber Security ETF 890,249 1.92 -45,700 12/31/18
Goldman Sachs Small Cap Value Fund 667,715 1.44 -3,142 12/31/18
Vanguard Small-Cap Growth Index Fund 605,077 1.31 -3,709 12/31/18
Statens Pensjonsfond Utland 602,532 1.30 200,721 12/31/17
Vanguard Extended Market Index Fund 531,753 1.15 -1,051 12/31/18

* Insider values reflect direct beneficial ownership.

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